This is one of the many possible siren configurations for the 555 integrated circuit. We found it in the October 1992 Radio Electronics magazine. It has a power stage.
A 25 mVpp applied to the input of this circuit produces in the output a 1 Vpp signal. The...
In this simulation we show how to implement a test circuit for BJT transistores. In the simulation we show a...
This preamplifier circuit for turntable cartridges was found in the March 1994 issue of...